Founded in 1938 by Roy J. Pile in Indianapolis, IN. Pile CPAs is a Certified Public Accounting firm providing unparalleled client service and powerful business results. Today, we are proud to be the oldest local CPA firm in Indianapolis, with many clients who share our entire 70-year history. A firm of 35 people, Pile CPAs provides services to Indiana-based, privately-owned and managed businesses, and to Indiana not-for-profit organizations.